[INFO] fetching crate my_tuple 1.0.0... [INFO] checking my_tuple-1.0.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate my_tuple 1.0.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate my_tuple 1.0.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate my_tuple 1.0.0 [INFO] finished tweaking crates.io crate my_tuple 1.0.0 [INFO] tweaked toml for crates.io crate my_tuple 1.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0789ae3164381449e9da7d163bc919a0fafbd8072b045a1f98484093e36fd3d8 [INFO] running `Command { std: "docker" "start" "-a" "0789ae3164381449e9da7d163bc919a0fafbd8072b045a1f98484093e36fd3d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0789ae3164381449e9da7d163bc919a0fafbd8072b045a1f98484093e36fd3d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0789ae3164381449e9da7d163bc919a0fafbd8072b045a1f98484093e36fd3d8", kill_on_drop: false }` [INFO] [stdout] 0789ae3164381449e9da7d163bc919a0fafbd8072b045a1f98484093e36fd3d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72184e8c17602515ef0ad38146cd4cade1396ad133f5d3186a2b05d78b541376 [INFO] running `Command { std: "docker" "start" "-a" "72184e8c17602515ef0ad38146cd4cade1396ad133f5d3186a2b05d78b541376", kill_on_drop: false }` [INFO] [stderr] Checking wacky_traits v2.0.0 [INFO] [stderr] Checking my_tuple v1.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `mappers::*` [INFO] [stdout] --> src/examples.rs:8:61 [INFO] [stdout] | [INFO] [stdout] 8 | use wacky_traits::{collector::*,collectors::*,mapper::*,mappers::*}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `macros::*` [INFO] [stdout] --> src/examples.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | use macros::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/patterns.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wacky_traits::mapper::Mapper` [INFO] [stdout] --> src/tuple_select.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use wacky_traits::mapper::Mapper; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TupleBind` [INFO] [stdout] --> src/tuple_select.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::tuple::{TupleBind, TupleEnd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mapper` [INFO] [stdout] --> src/utils.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use wacky_traits::mapper::{Mapper, MapperOnce}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/patterns.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `wacky_traits::mapper::Mapper` [INFO] [stdout] --> src/tuple_select.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use wacky_traits::mapper::Mapper; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TupleBind` [INFO] [stdout] --> src/tuple_select.rs:8:20 [INFO] [stdout] | [INFO] [stdout] 8 | use crate::tuple::{TupleBind, TupleEnd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mapper` [INFO] [stdout] --> src/utils.rs:1:28 [INFO] [stdout] | [INFO] [stdout] 1 | use wacky_traits::mapper::{Mapper, MapperOnce}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this value of type `(TT, TTNext)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/utils.rs:44:32 [INFO] [stdout] | [INFO] [stdout] 43 | fn map_once(self,value:TupleNode)->Self::Output { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | TupleNode::new(self.0, value.unwrap().1) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `my_tuple` (lib) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `(TT, TTNext)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/utils.rs:44:32 [INFO] [stdout] | [INFO] [stdout] 43 | fn map_once(self,value:TupleNode)->Self::Output { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 44 | TupleNode::new(self.0, value.unwrap().1) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ATupleType` is never used [INFO] [stdout] --> src/examples.rs:35:14 [INFO] [stdout] | [INFO] [stdout] 35 | type ATupleType=m_tup_t!(i32,i32,i32,f32,f32,f32); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ATupleTypeMut` is never used [INFO] [stdout] --> src/examples.rs:41:14 [INFO] [stdout] | [INFO] [stdout] 41 | type ATupleTypeMut=::Output; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `my_tuple` (lib test) due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "72184e8c17602515ef0ad38146cd4cade1396ad133f5d3186a2b05d78b541376", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72184e8c17602515ef0ad38146cd4cade1396ad133f5d3186a2b05d78b541376", kill_on_drop: false }` [INFO] [stdout] 72184e8c17602515ef0ad38146cd4cade1396ad133f5d3186a2b05d78b541376